问题
选择题
Considering his health, I advise him to ______ an hour or two each day to work out.
A．set about
B．set off
C．set up
D．set aside
答案
答案：D
考查短语辨析。set about着手做某事，set off出发，动身， set up 建立，set aside留出，腾出。句意：考虑到他的身体，我建议他每天抽出一个或两个小时锻炼身体。